2163071723 has 2 divisors, whose sum is σ = 2163071724. Its totient is φ = 2163071722.

The previous prime is 2163071711. The next prime is 2163071737. The reversal of 2163071723 is 3271703612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163071723 - 2⁴ = 2163071707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2163071723.

It is not a weakly prime, because it can be changed into another prime (2163071783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081535861 + 1081535862.

It is an arithmetic number, because the mean of its divisors is an integer number (1081535862).

Almost surely, 2^2163071723 is an apocalyptic number.

2163071723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163071723 is an equidigital number, since it uses as much as digits as its factorization.

2163071723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2163071723 is about 46508.8348918783. The cubic root of 2163071723 is about 1293.2732855014.

The spelling of 2163071723 in words is "two billion, one hundred sixty-three million, seventy-one thousand, seven hundred twenty-three".